Guest Stars Paul Blackthorne as Guy Morton Sheridan Smith as Miranda Locke Kenneth Anderson as Martin Bradford Simon Williams as Sir Charles Merrick Ben Tibber as Nathan Sheila Whitfield as DS Linda Arnold Katy Murphy as Laura Sullivan Peter Sallis as Lionel Davis David Schofield as DCI Harry Chambers Dorian Lough as Gary Sullivan John Bennett as Bruce Holden Edna Doré as Maude Davis